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HT82K74E

Part Number	HT82K74E
Manufacturer	Holtek
Description	27MHz Keyboard/ Mouse TX 8-Bit MCU
Published	Jan 11, 2010
Detailed Description	HT82K74E/HT82K74EE 27MHz Keyboard/ Mouse TX 8-Bit MCU Technical Document · Application Note - HA0075E MCU Reset and Osci...
Datasheet	HT82K74E PDF File

Overview

HT82K74E/HT82K74EE 27MHz Keyboard/ Mouse TX 8-Bit MCU Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · 128´8 bits data EEPROM for HT82K74EE · One external crystal (27MHz) to supply fSYS= 27MHz: 3.
0V~3.
3V for crystal mode · Program Memory: 2K´15 bits · Data Memory: 96´8 bits · 36 bidirectional I/O lines, with pull-high options · Watchdog Timer function · Single 16-bit internal timer with overflow interrupt microcontroller system clock · 63 powerful instructions · All instructions executed in one or two machine cycles · Low voltage reset function · Crystal oscillator which built-in capacitor value can and ti...

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